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bq24063 Datasheet Preview

bq24063 Datasheet

1A SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT

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bq2406x
www.ti.com
SLUS689A – JUNE 2006 – REVISED OCTOBER 2006
1A SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT IC
WITH THERMAL REGULATION
FEATURES
Ideal for Low-Dropout Designs for Single-Cell
Li-Ion or Li-Pol Packs in Space Limited
Applications
Integrated Power FET and Current Sensor for
up to 1-A Charge Applications
Reverse Leakage Protection Prevents Battery
Drainage
• ±0.5% Voltage Regulation Accuracy
Thermal Regulation Maximizes Charge Rate
Charge Termination by Minimum Current and
Time
Precharge Conditioning With Safety Timer
Status Outputs for LED or System Interface
Indicate Charge, Fault, and Power Good
Outputs
Short-Circuit and Thermal Protection
Automatic Sleep Mode for Low Power
Consumption
Small 3×3 mm MLP Package
Selectable Battery Insertion and Battery
Absent Detection
Input Overvoltage Protection
– 6.5 V and 10.5 V Options
APPLICATIONS
PDA, MP3 Players, Digital Cameras
Internet Appliances and Handheld Devices
DESCRIPTION
The bq2406x series are highly integrated Li-Ion and
Li-Pol linear chargers, targeted at space-limited
portable applications. The bq2406x series offers a
variety of safety features and functional options,
while still implementing a complete charging system
in a small package. The battery is charged in three
phases: conditioning, constant or thermally regulated
current, and constant voltage. Charge is terminated
based on minimum current. An internal
programmable charge timer provides a backup
safety feature for charge termination and is
dynamically adjusted during the thermal regulation
phase. The bq2406x automatically re-starts the
charge if the battery voltage falls below an internal
threshold; sleep mode is set when the external input
supply is removed. Multiple versions of this device
family enable easy design of the bq2406x in cradle
chargers or in the end equipment, while using low
cost or high-end AC adapters.
Pin Out
(Top View)
bq24061
IN
TMR
STAT1
STAT2
VSS
1
2
3
4
5
10 OUT
9 BAT
8 CE
7 PG
6 ISET
TYPICAL APPLICATION CIRCUIT
Input Power
4.7 mF 1.5 kW 1.5 kW
bq24061
1
RTMR 2
49.9 kW
3
IN
TMR
STAT1
OUT 10
9
BAT
8
CE
Li-lon or Li-Pol
Battery Pack
Pack+
4.7 mF
+
Pack-
4 STAT2
5 VSS
7
PG
6
ISET
RSET
1.13 kW
Typical Application for Charging Between 350 mA and 1 A.
Charge Enable and
Input Power Status
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006, Texas Instruments Incorporated




etcTI

bq24063 Datasheet Preview

bq24063 Datasheet

1A SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT

No Preview Available !

bq2406x
SLUS689A – JUNE 2006 – REVISED OCTOBER 2006
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS
Charge Input Over Termination
Voltage Voltage
Enable
Safety
Timer
Enable
4.2 V
6.5 V
TMR pin TMR pin
4.2 V
6.5 V
TMR pin TMR pin
4.2 V
6.5 V
TE pin
TMR pin
4.2 V 10.5 V
TMR pin TMR pin
Power
Good
Status
PG pin
PG pin
No
PG pin
IC Pack
Enable Temp
No TS pin
CE pin No
CE pin No
No TS pin
Pack Voltage
Detection
(Absent)
With timer
enabled
With timer
enabled
With termination
enabled
With timer
enabled
Devices (1) (2) (3)
bq24060
bq24061
bq24063
bq24064
Marking
BPG
BPH
Preview
BSA
(1) The bq2406x are only available taped and reeled. Add suffix R to the part number for quantities of 3,000 devices per reel (e.g.,
bq24060BPGR). Add suffix T to the part number for quantities of 250 devices per reel (e.g., bq24060DRCT).
(2) This product is RoHS compatible, including a lead concentration that does not exceed 0.1% of total product weight, and is suitable for
use in specified lead-free soldering processes. In addition, this product uses package materials that do not contain halogens, including
bromine (Br) or antimony (Sb) above 0.1% of total product weight.
(3) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
Web site at www.ti.com.
ABSOLUTE MAXIMUM RATINGS(1)
Supply voltage (IN with respect to Vss)
Input voltage on IN, STATx, PG, TS, CE, TE, TMR (all with respect to Vss)
Input voltage on OUT, BAT, ISET (all with respect to Vss)
Output sink current (STATx) + PG
Output current (OUT pin)
TA Operating free-air temperature range
Tstg Storage temperature range
TJ Junction temperature range
bq2406x
–0.3 V to 18 V(2)
–0.3 V to V(IN)
–0.3 V to 7 V
15 mA
1.5 A
–40°C to 155°C
–65°C to 150°C
–40°C to 150°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute–maximum–rated conditions for extended periods may affect device reliability
(2) The bq2406x device can withstand up to 26 V for a maximum of 87 hours.
RECOMMENDED OPERATING CONDITIONS
V(IN)
V(IN)
TJ
RTMR
Supply voltage range
Supply voltage range
Junction temperature
33K RTMR100K
Battery absent detection not functional
Battery absent detection functional
MIN TYP MAX UNIT
3.5 4.35 V
4.35 16.5 V
0 125 °C
DISSIPATION RATINGS(1)
PACKAGE
10-pin DRC
θJC (°C/W)
3.21
θJA (°C/W)
46.87
(1) This data is based on using the JEDEC High-K board and the exposed die pad is connected to a Cu
pad on the board. This is connected to the ground plane by a 2×3 via matrix.
2 Submit Documentation Feedback


Part Number bq24063
Description 1A SINGLE-CHIP Li-Ion/Li-Pol CHARGE MANAGEMENT
Maker etcTI
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